Asus Zenfone Zoom (ZX551ML 32GB) vs Asus 6z (128GB)

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Side by side comparison between Asus Zenfone Zoom (ZX551ML) vs Asus 6z phones, differences, pros, cons and full specifications. What's the better?

4/30/2020 8:04 AM, updated: 10/26/2021 8:34 AM

Compare Asus 6z X Asus Zenfone Zoom (ZX551ML 32GB) 04Points

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

13
MP

5mp

4GB
RAM

Quad-core

3000
mAh

(Non removable)

23Points Asus 6z (128GB) Compare Asus Zenfone Zoom (ZX551ML) X

Specifications Compare Models Pictures

6.4"
IPS

1080x2340

48
MP

48mp

6GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Asus 6z (128GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

4 Advantages Asus Zenfone Zoom (ZX551ML 32GB)	vs	23 Advantages Asus 6z (128GB)
+185 grams (6.48 ounces)3% Lighter	vs	190 grams (6.65 ounces)
+Aluminum frame, glass front, leather backAdvantage More resistant material	vs	Aluminum frame, glass front/back
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
2.5GHz 64bit Quad-core	vs	+2.84GHz 64bit Octa-core (7nm)34% More powerful processor, you can open your applications faster
4GB LPDDR3	vs	+6GB LPDDR4X50% More RAM memory. Typically more responsive and better for multitasking.
32GB (26GB available)	vs	+128GB (110GB available)3 times More internal storage for applications and files
Until 128GB microSD, microSDXC	vs	+Until 1TB microSD, microSDXC7 times More external storage for files using memory cards
12 millimeters (0.47 inches)	vs	+9.2 millimeters (0.36 inches)30% Thinner
1080x1920 pixels	vs	+1080x2340 pixels22% Higher resolution screen
401 PPI	vs	+403 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.5"	vs	+6.4"16% Larger screen
(back) 13MP	vs	+(dual camera) 48MP + 13MP4 times Higher resolution main camera
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
f/2.7 (aperture)	vs	+f/1.8 (aperture)50% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MP	vs	+(dual front camera) 48MP + 13MP11 times Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
(front) HD (1280x720)	vs	+(front) 4K UHD (3840x2160)8 times More image quality for recording videos with the secondary camera
Android 6.0 Marshmallow	vs	+Android 9.0 PieAdvantage Android 9.0 Pie is newer and safer
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 1024 Mbps6 times Faster for surfing the internet and download files
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device
3000 mAh	vs	+5000 mAh67% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general
4.0 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0, USB OTG On-The-Go	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.

21 Common items in both devices

TFT IPS LCD

16 million

Dual-LED flash

LDAF: laser detection autofocus / LDAF/PDAF: laser/phase detection autofocus

4G LTE / 4G LTE-A

Capacitive

Multitouch

+14 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences

📱 Model features
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus 6z (128GB)
Change model		Choose the model
Model	Zenfone Zoom (ZX551ML 32GB)	Asus 6z (128GB)
Other model names	Asus Zenfone Zoom ZX551ML (4G), Asus ZX551ML	Asus Zenfone 6z 2019 (6GB RAM) ZS630KL
Country or region available	(Latin America), (Europe)	India
Brand	Asus	Asus
Release date	12/1/2015	5/16/2019
Depth	12 millimeters (0.47 inches)	9.2 millimeters (0.36 inches)
Size (width x height)	78.8 x 158.9 millimeters (3.1 x 6.26 in)	75.4 x 159.1 millimeters (2.97 x 6.26 in)
Weight	185 grams (6.48 ounces)	190 grams (6.65 ounces)
Build, materials	Aluminum frame, glass front, leather back	Aluminum frame, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus 6z (128GB)
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	5.5" inches	6.4" inches
Screen-to-body ratio	~66.6% (screen-to-body ratio)	~83.8% (screen-to-body ratio)
Display resolution	1080x1920 pixels	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	401 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 4	Gorilla Glass 6
Refresh rate	feature not registered	60Hz
Display features	feature not registered	600nits[peak] HDR10
🤖 Operating System
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus 6z (128GB)
System version	Android 5.0.2 Lollipop	Android 9.0 Pie
Firmware update	Android 6.0 Marshmallow	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus 6z (128GB)
Chipset	64bit: Intel Atom Z3590 (22nm)	64bit: Qualcomm Snapdragon 855 (SM8150) (7nm)
CPU	Quad-core, 1 processor: 4x 2.5GHz Intel Silvermont (Quad-core)	Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core)
GPU graphical controller	PowerVR G6430 MP4	Qualcomm Adreno 640 (585MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus 6z (128GB)
RAM memory	4GB LPDDR3	6GB LPDDR4X
Internal storage	32GB (26GB available)	128GB (110GB available) UFS 2.1
External storage	Until 128GB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus 6z (128GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	1 slot (Single-SIM) micro-SIM (3FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	150/50 Mbps	1024/150 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat4 (Bands 1, 2, 3, 5, 7, 8, 9, 18, 19, 28)	LTE Cat16/13 (Bands 1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (Bands 38, 40, 41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	GPRS, EDGE
📷 Camera
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus 6z (128GB)
Back camera (main camera)	13 megapixels	(dual camera) 48 megapixels 13MP ultrawide f/2.411mm
Main camera resolution	4128x3096 pixels	8000x6000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 60 fps
Flash	Dual-LED flash	Dual-LED flash
Focal aperture	f/2.7 (aperture)	f/1.8 (aperture)
Focal length	28mm lens	26mm lens
Sensor size	feature not registered	1/2" inches
Pixel size	feature not registered	0.8µm pixel
Autofocus	LDAF: laser detection autofocus	LDAF/PDAF: laser/phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	EIS: Digital stabilization
Zoom	Digital and optical zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	HDR photo only main camera	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus 6z (128GB)
Front camera (secondary)	5 megapixels	Uses the back motorized camera (flip-up/rotating)
Front camera resolution	2560x1920 pixels	8000x6000 pixels
Video recording (secondary)	HD (1280x720)	4K UHD (3840x2160)
Front flash	Not supported	Dual-LED flash
Focal aperture	f/2.0 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	feature not registered	1/2" inches
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus 6z (128GB)
Loudspeaker	Supported	Supported
Active noise cancellation	Not supported	2 microphones or more
Radio	Not supported	FM
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, eAAC+	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus 6z (128GB)
USB	MicroUSB 2.0, USB OTG On-The-Go	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.0 + A2DP	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus 6z (128GB)
Sensors	Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus 6z (128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3000 mAh	5000 mAh
Charger, watts	18W Wired fast charging	18W (9V/2A) Wired fast charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	feature not registered	33 hours (1.4 days)
Standby	feature not registered	624 hours (26 days)
➕ Other features
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus 6z (128GB)
Call control	Voice dialing, Voice recorder	Voice dialing, Voice recorder
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black, White • Asus ZenUI • Hoya camera sensor • Laser autofocus camera (0.03 seconds) • 3x optical zoom camera • Dual tone flash • Fast battery charging: 60% in 40min • Beidou GPS • 5GB Asus Webstorage	• Colors: Midnight Black, Twilight Silver • 19.5:9, HDR10, DCI-P3 100% display • Quick Charge 4.0 • 24-bit/192kHz audio • DTS Headphone X • Motorized flip-up main/selfie camera • Google Pay
☢️ Radiation rate
	Asus Zenfone Zoom (ZX551ML 32GB)	Asus 6z (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered